Answers

Subtract 30/81 from 45/25

1^st number: 1 20/25, 2^nd number: 30/81

45/25 - 30/81 is 193/135.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 81 is 2025
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2025
2. For the 1st fraction, since 25 × 81 = 2025,
   45/25 = 45 × 81/25 × 81 = 3645/2025
3. Likewise, for the 2nd fraction, since 81 × 25 = 2025,
   30/81 = 30 × 25/81 × 25 = 750/2025
4. Subtract the two like fractions:
   3645/2025 - 750/2025 = 3645 - 750/2025 = 2895/2025
5. After reducing the fraction, the answer is 193/135
6. In mixed form: 158/135

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